Question

2 points
1. If a cos 0 + b sin 0 - 4 and a sino - bcos 0 - 3, then a +b?
(b) 12
(c) 25
(d) None of these​

Answer 1

Answer:

D

Step-by-step explanation:

acos0+bsin0=4

a(1)+0=4

a= 4 &

asin0-bcos0=3

a(0)-b(1)=3

0-b=3

b= -3

.°. a+b = 4+(-3) = 1